<template>
    <div>
        <el-tabs type="border-card">
            <el-tab-pane label="秒" v-if="shouldHide('second')">
                <CrontabSecond @update="updateCrontabValue" :check="checkNumber" :cron="crontabValueObj"
                    ref="cronsecond" />
            </el-tab-pane>

            <el-tab-pane label="分钟" v-if="shouldHide('min')">
                <CrontabMin @update="updateCrontabValue" :check="checkNumber" :cron="crontabValueObj" ref="cronmin" />
            </el-tab-pane>

            <el-tab-pane label="小时" v-if="shouldHide('hour')">
                <CrontabHour @update="updateCrontabValue" :check="checkNumber" :cron="crontabValueObj" ref="cronhour" />
            </el-tab-pane>

            <el-tab-pane label="日" v-if="shouldHide('day')">
                <CrontabDay @update="updateCrontabValue" :check="checkNumber" :cron="crontabValueObj" ref="cronday" />
            </el-tab-pane>

            <el-tab-pane label="月" v-if="shouldHide('month')">
                <CrontabMonth @update="updateCrontabValue" :check="checkNumber" :cron="crontabValueObj"
                    ref="cronmonth" />
            </el-tab-pane>

            <el-tab-pane label="周" v-if="shouldHide('week')">
                <CrontabWeek @update="updateCrontabValue" :check="checkNumber" :cron="crontabValueObj" ref="cronweek" />
            </el-tab-pane>

            <el-tab-pane label="年" v-if="shouldHide('year')">
                <CrontabYear @update="updateCrontabValue" :check="checkNumber" :cron="crontabValueObj" ref="cronyear" />
            </el-tab-pane>
        </el-tabs>

        <div class="popup-main">
            <div class="popup-result">
                <p class="title">时间表达式</p>
                <table>
                    <thead>
                        <th v-for="item of tabTitles" :key="item">{{ item }}</th>
                        <th>Cron 表达式</th>
                    </thead>
                    <tbody>
                        <td>
                            <span v-if="crontabValueObj.second.length < 10">{{ crontabValueObj.second }}</span>
                            <el-tooltip v-else :content="crontabValueObj.second" placement="top"><span>{{
        crontabValueObj.second
}}</span></el-tooltip>
                        </td>
                        <td>
                            <span v-if="crontabValueObj.min.length < 10">{{ crontabValueObj.min }}</span>
                            <el-tooltip v-else :content="crontabValueObj.min" placement="top"><span>{{
        crontabValueObj.min
}}</span></el-tooltip>
                        </td>
                        <td>
                            <span v-if="crontabValueObj.hour.length < 10">{{ crontabValueObj.hour }}</span>
                            <el-tooltip v-else :content="crontabValueObj.hour" placement="top"><span>{{
        crontabValueObj.hour
}}</span></el-tooltip>
                        </td>
                        <td>
                            <span v-if="crontabValueObj.day.length < 10">{{ crontabValueObj.day }}</span>
                            <el-tooltip v-else :content="crontabValueObj.day" placement="top"><span>{{
        crontabValueObj.day
}}</span></el-tooltip>
                        </td>
                        <td>
                            <span v-if="crontabValueObj.month.length < 10">{{ crontabValueObj.month }}</span>
                            <el-tooltip v-else :content="crontabValueObj.month" placement="top"><span>{{
        crontabValueObj.month
}}</span></el-tooltip>
                        </td>
                        <td>
                            <span v-if="crontabValueObj.week.length < 10">{{ crontabValueObj.week }}</span>
                            <el-tooltip v-else :content="crontabValueObj.week" placement="top"><span>{{
        crontabValueObj.week
}}</span></el-tooltip>
                        </td>
                        <td>
                            <span v-if="crontabValueObj.year.length < 10">{{ crontabValueObj.year }}</span>
                            <el-tooltip v-else :content="crontabValueObj.year" placement="top"><span>{{
        crontabValueObj.year
}}</span></el-tooltip>
                        </td>
                        <td class="result">
                            <span v-if="crontabValueString.length < 90">{{ crontabValueString }}</span>
                            <el-tooltip v-else :content="crontabValueString" placement="top"><span>{{ crontabValueString
}}</span></el-tooltip>
                        </td>
                    </tbody>
                </table>
            </div>
            <CrontabResult :ex="crontabValueString"></CrontabResult>

            <div class="pop_btn">
                <el-button type="primary" @click="submitFill">确定</el-button>
                <el-button type="warning" @click="clearCron">重置</el-button>
                <el-button @click="hidePopup">取消</el-button>
            </div>
        </div>
    </div>
</template>

<script setup>
import { computed, getCurrentInstance, onMounted, ref, watch } from "vue";
import CrontabDay from "./day.vue";
import CrontabHour from "./hour.vue";
import CrontabMin from "./min.vue";
import CrontabMonth from "./month.vue";
import CrontabResult from "./result.vue";
import CrontabSecond from "./second.vue";
import CrontabWeek from "./week.vue";
import CrontabYear from "./year.vue";
const { proxy } = getCurrentInstance();
const emit = defineEmits(['hide', 'fill'])
const props = defineProps({
    hideComponent: {
        type: Array,
        default: () => [],
    },
    expression: {
        type: String,
        default: ""
    }
})
const tabTitles = ref(["秒", "分钟", "小时", "日", "月", "周", "年"])
const tabActive = ref(0)
const hideComponent = ref([])
const expression = ref('')
const crontabValueObj = ref({
    second: "*",
    min: "*",
    hour: "*",
    day: "*",
    month: "*",
    week: "?",
    year: "",
})
const crontabValueString = computed(() => {
    const obj = crontabValueObj.value
    return obj.second
        + " "
        + obj.min
        + " "
        + obj.hour
        + " "
        + obj.day
        + " "
        + obj.month
        + " "
        + obj.week
        + (obj.year === "" ? "" : " " + obj.year)
})
watch(expression, () => resolveExp())
function shouldHide(key) {
    return !(hideComponent.value && hideComponent.value.includes(key))
}
function resolveExp() {
    // 反解析 表达式
    if (expression.value) {
        const arr = expression.value.split(/\s+/)
        if (arr.length >= 6) {
            //6 位以上是合法表达式
            let obj = {
                second: arr[0],
                min: arr[1],
                hour: arr[2],
                day: arr[3],
                month: arr[4],
                week: arr[5],
                year: arr[6] ? arr[6] : ""
            }
            crontabValueObj.value = {
                ...obj,
            }
        }
    } else {
        // 没有传入的表达式 则还原
        clearCron()
    }
}
// tab切换值
function tabCheck(index) {
    tabActive.value = index
}
// 由子组件触发，更改表达式组成的字段值
function updateCrontabValue(name, value, from) {
    crontabValueObj.value[name] = value
}
// 表单选项的子组件校验数字格式（通过-props传递）
function checkNumber(value, minLimit, maxLimit) {
    // 检查必须为整数
    value = Math.floor(value)
    if (value < minLimit) {
        value = minLimit
    } else if (value > maxLimit) {
        value = maxLimit
    }
    return value
}
// 隐藏弹窗
function hidePopup() {
    emit("hide")
}
// 填充表达式
function submitFill() {
    emit("fill", crontabValueString.value)
    hidePopup()
}
function clearCron() {
    // 还原选择项
    crontabValueObj.value = {
        second: "*",
        min: "*",
        hour: "*",
        day: "*",
        month: "*",
        week: "?",
        year: "",
    }
}
onMounted(() => {
    expression.value = props.expression
    hideComponent.value = props.hideComponent
})
</script>

<style lang="scss" scoped>
.pop_btn {
    text-align: center;
    margin-top: 20px;
}

.popup-main {
    position: relative;
    margin: 10px auto;
    background: #fff;
    border-radius: 5px;
    font-size: 12px;
    overflow: hidden;
}

.popup-result {
    box-sizing: border-box;
    line-height: 24px;
    margin: 25px auto;
    padding: 15px 10px 10px;
    border: 1px solid #ccc;
    position: relative;
}

.popup-result .title {
    position: absolute;
    top: -28px;
    left: 50%;
    width: 140px;
    font-size: 14px;
    margin-left: -70px;
    text-align: center;
    line-height: 30px;
    background: #fff;
}

.popup-result table {
    text-align: center;
    width: 100%;
    margin: 0 auto;
}

.popup-result table td:not(.result) {
    width: 3.5rem;
    min-width: 3.5rem;
    max-width: 3.5rem;
}

.popup-result table span {
    display: block;
    width: 100%;
    font-family: arial;
    line-height: 30px;
    height: 30px;
    white-space: nowrap;
    overflow: hidden;
    border: 1px solid #e8e8e8;
}

.popup-result-scroll {
    font-size: 12px;
    line-height: 24px;
    height: 10em;
    overflow-y: auto;
}
</style>